.container {
  height: 100%;
  overflow: auto;
  display: flex;
  flex-direction: column;
}
.content {
  flex: 1;
  position: relative;
  width: 100%;
  background-color: #efefef;
}
.inner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: auto;
}
.operate {
  height: 3rem;
  flex-shrink: 0;
  width: 100%;
  border-top: 1px solid #ddd;
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  padding: .2rem .5rem .5rem .5rem;
  box-sizing: border-box;
  background-color: #f5f5f5;
}
.file {
  position: relative;
  width: 1.6rem;
  height: 1.6rem;
  display: inline-block;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid #999;
  color: #999;
  overflow: hidden;
  margin-right: .5rem;
  > input {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
  }
  .file-icon {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fff;
  }
}
.input {
  flex: 1;
  border: 0;
  background-color: #fff;
  height: 1.6rem;
  padding: 0 .5rem;
  margin-right: .5rem;
  border-radius: .2rem;
}